Powered by Made-in-China.com
High-Performance Diamond Drill Bits for Deep Hole Applications
US$49.90
1-9 Pieces
US$48.90
10-99 Pieces
US$46.90
100-999 Pieces
US$45.90
1,000+ Pieces
Product profile
Customization
AvailableType
Core DrillUsage
Metal Drilling, Well Drilling, Wood DrillingMachine Type
Drilling ToolMaterial
Carbon Steel, DiamondDiameter
3.85 InchKey Words2
Hot Press Diamond Drill BitUse
Coal MiningManufacturing Process
ForgingWeight
0.8Video Outgoing-Inspection
SupportedKey Words
Water Well Core Drill BitAdvantage
Wear ResistantApplicable Industries
Energy & MiningSize
75mmProduct Name
Electroplating Drill BitsColor
CustomizedTransport Package
Carton or Wooden BoxSpecification
DCDMA, CDDA, ISOOrigin
Changsha, Hunan, ChinaHS Code
8430691900Production Capacity
15, 000PCS/YearKey features
High-Speed Drilling Performance: Special compound bit with diamond compact pieces for faster drilling in soft to hard strata.
Wear Resistant Material: Constructed from carbon steel and diamond, ensuring durability and resistance to wear.
Versatile Application: Suitable for metal, well, wood drilling, and specific strata like red sandstone and conglomerate.
Customizable Options: Offers customization for machine type, material, diameter, and color based on customer needs.
Comprehensive Warranty: Provides a 6-month warranty covering mechanical defects for peace of mind.
Video Inspection Support: Outgoing inspection videos are provided to ensure product quality before shipment.
Low MOQ Requirement: Minimum order quantity is just 1 piece, allowing for flexible purchasing.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Changsha Port, Shenzhen PortAverage Response Time: ≤15h
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company and limited company, with a business scope covering drilling equipment, drilling rigs, core bits, mechanical equipment, communication technologies, software development, and related services. It demonstrates broad customization options and provides ODM services, but reported no new products in the past year, no 3D software design, no SDK, and no professional technical supplier R&D capability. Service-management controls are weak: no written procedures or records were provided for supplier assessment, corrective actions, or complaint handling. No overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation was reported. Raw-material traceability is unknown. The provided financial records show zero stated operating revenue, operating costs, gross profit, and operating profit for the reported periods; no monetary figures are reproduced here.
After-Sales capabilityThe supplier reported no written procedures or records for effective service-capability assessment, corrective and preventive actions, or customer complaint handling. It also reported no overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation, indicating limited documented after-sales and overseas service infrastructure.
Financial creditThe provided financial-capacity records state zero operating revenue, operating costs, gross profit, and operating profit for the reported periods. These figures provide explicit evidence of no recorded operating activity in the supplied data and do not support strong financial credibility.
R&D capabilityThe supplier reported no new products in the past year, no product-information R&D capability, no professional technical supplier R&D capability, no 3D software design service, and no available SDK. Although ODM service is available, the overall evidence shows limited demonstrated innovation capability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization; it also provides ODM services. These statements directly support a broad customization offering, although they do not establish manufacturing execution capacity.
Product Q&A
Q:What is the warranty period for these drill bits?
A:
We provide a 6-month warranty for our electroplated diamond drill bits.
Q:What materials are used in manufacturing these bits?
A:
The drill bits are made from carbon steel and diamond, offering wear resistance and durability.
Q:Can I customize the color or size of the drill bits?
A:
Yes, we offer customization options for color, diameter, and other specifications based on your requirements.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 1 piece, making it easy to place small orders.
Q:Are video inspections available before shipment?
A:
Yes, we provide video outgoing-inspection to ensure the quality of the products before they are shipped.
Send Inquiry
*To:
Changsha Fast Drill Engineering Machinery Co., Ltd.
Changsha Fast Drill Engineering Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Deep Hole High Temperature Resistant Heat Treated Reinforced Drill Bit
US$2.40-6.00
1 Piece(MOQ)
High Performance Drill Bits for Construction Mining Projects
US$9.00-13.00
1 Piece(MOQ)
High-Performance Manufacture PDC Rock Drill Bits for Water Wells
US$50.00-200.00
1 Piece(MOQ)
High-Performance Thermally Pressed Diamond Drill Bit for Construction and Mining Applications
US$50.00-200.00
1 Piece(MOQ)
153mm PCD Concave Bit for Hard Rock Drilling Deep Cut Diamond Carbide Core Drill Bits
US$30.00-500.00
1 Piece(MOQ)
Durable Design for High Performance in Demanding Conditions Vacuum Brazed Diamond Core Drill Bit
US$1.20-1.50
10 Pieces(MOQ)
High Performance Diamond Core PDC Drill Bit for Water Well
US$89.00-106.00
1 Piece(MOQ)
High-Performance Vacuum Brazed Diamond Core Drill Bits for Precision Cutting
US$8.50-16.50
200 Pieces(MOQ)
High Performance Nq Diamond Core Drill Bit for Iron Drilling
US$73.77-77.74
1 Piece(MOQ)
Pearldrill High Performance 78mm PDC Rock Drill Bits for Underground Mine
US$47.00-719.00
1 Piece(MOQ)
High Efficiency Z76 Z86 Z101 Core Drill Bit for Deep Hole Drilling
US$50.00-150.00
1 Piece(MOQ)
High-Performance B66 Diamond Core Bit with 6 Waterways for Hard Rock Drilling & Geological Exploration
US$33.00-40.00
1 Piece(MOQ)
High Performance Diamond Wet Core Drill Bits for Concrete Drilling/Diamond Tool
US$10.00-150.00
10 Pieces(MOQ)
Best Sale Sintered Core Drill Bits 10mm Saw Hole Opener Diamond Tools for Stone Marble
US$1.50-30.00
100 Pieces(MOQ)
General Purpose M14 Vacuum Brazed Drill Bit Diamond Tools for Glass Granite Tile Hole Opener
US$1.50-10.00
100 Pieces(MOQ)
High Penetration Tungsten Carbide Four-Wing Arc Angle Diamond Drill Bit
US$9.00-13.00
1 Piece(MOQ)
High-Performance Diamond Core Drill Bits for Precision Drilling
US$45.90-49.90
1 Piece(MOQ)



















